AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008HC31 ∴ Orbital info ∴ Epoch epochXXX

(274199) 2008HC31 ▹

ORBITAL INFORMATION

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(ASCII data file 274199.eq0)

Keplerian elements at epoch
57294.5 MJD
	Value	1-σ variation	Units
a	2.80146	3.011e-08	au
e	0.120825	5.852e-08
i	12.547	8.871e-06	deg
Ω	216.845	2.901e-05	deg
ω	252.61	5.025e-05	deg
M	313.688	3.841e-05	deg

Other useful info
Absolute Magnitude (H)	16.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.463	au
Aphelion	3.1399	au
Asc. node-Earth separation	1.85917	au
Desc. node-Earth separation	1.67142	au
Earth MOID	1.51442	au
Orbital period	1712.68	days
Date of orbit computation	apr 23 20:47

Correlation matrix
1.00000000	0.12556410	0.02064158	-0.00123111	0.11319807	-0.15172285
0.12556410	1.00000000	0.00285527	0.01356669	-0.17897566	0.18849592
0.02064158	0.00285527	1.00000000	-0.02645864	0.00846559	0.00679420
-0.00123111	0.01356669	-0.02645864	1.00000000	-0.58402087	0.02522594
0.11319807	-0.17897566	0.00846559	-0.58402087	1.00000000	-0.81894328
-0.15172285	0.18849592	0.00679420	0.02522594	-0.81894328	1.00000000

Covariance matrix
9.06848614E-16	2.21283460E-16	5.51446725E-15	-1.07534656E-15	1.71284744E-13	-1.75506569E-13
2.21283460E-16	3.42477549E-15	1.48237078E-15	2.30289600E-14	-5.26286576E-13	4.23733681E-13
5.51446725E-15	1.48237078E-15	7.87021024E-11	-6.80839834E-12	3.77366002E-12	2.31529450E-12
-1.07534656E-15	2.30289600E-14	-6.80839834E-12	8.41334512E-10	-8.51186993E-10	2.81064976E-11
1.71284744E-13	-5.26286576E-13	3.77366002E-12	-8.51186993E-10	2.52478572E-09	-1.58066948E-09
-1.75506569E-13	4.23733681E-13	2.31529450E-12	2.81064976E-11	-1.58066948E-09	1.47553651E-09